Mahabharata 12.219.1

भीष्म उवाच · bhīṣma uvāca

अत्रैवोदाहरन्तीममितिहासं पुरातनम्शतक्रतोश्च संवादं नमुचेश्च युधिष्ठिर

atraivodāharantīmamitihāsaṃ purātanamśatakratośca saṃvādaṃ namuceśca yudhiṣṭhira

Our plain-language meaning of this verse is waiting for scholar review.